road sense vs mother wit

road sense and mother wit both are nouns.

Word	Noun	Adjective	Verb	Adverb
road sense	Yes	No	No	No
mother wit	Yes	No	No	No

As nouns, mother wit is a hypernym of road sense; that is, mother wit is a word with a broader meaning than road sense:

Other hypernyms of road sense include common sense, good sense, gumption, horse sense, sense.

road sense (noun)	mother wit (noun)
good judgment in avoiding trouble or accidents on the road	sound practical judgment